Drill America 1 X 7/16 Counterbore Pilot

$14 35 each

Stock Item:: Stock items typically ship within 2-3 business days
UPC:: 887861164832
SKU:: DEWPIL1X7/16
SIZE:: 1
OVERALL LENGTH:: 2-5/8
Material:: High Speed Steel
Finish:: Uncoated (Bright)

Counterboring Is The Enlargement Of A Portion Of A Hole That Has Previously Been Formed. If The Counterbored Portion Is Shallow (1/8" Or Less), The Operations Is Usually Known As Spot-Facing; For Example, A Flat Seat For A Bolt Head Or Nut. If The Hole Is Enlarged To A Considerable Depth, It Is Designated As Counterboring